One of amateur radio’s many interests comes in portable operation, taking your radio to an out of the way place, usually a summit, and working the world using only what can be carried in. Often this ...

Using digital techniques has caused a resurgence of interest in VLF — very low frequency — radio. Thanks to software-defined radio, you no longer need huge coils. However, you still need a suitable ...

Last month I wrote some about making a notch filter for the AM band. However, before you have any signals to notch out, you must first, of course, have some signal to begin with. Let’s talk a little ...

There are all kinds of shortwave radio stations in the world, but WBCQ seems unique. Allan Weiner at the foot of the rotatable antenna installed in 2018. Located in Monticello, Maine, WBCQ is an up-to ...